.layui-input{
    margin-top: 10px;
}
.layui-form{
    margin: 100px auto;
    width: 1000px;
    padding: 20px 100px 20px 100px;
    background: #F5F5F5;
}
.layui-field-title{
    font-size: 18px;
}
.layui-textarea{
    height: 200px;
}
.layui-nav{
    background:#fff;
    color: #000;
    width: 100%;
    padding-top: 15px;
    text-align: center;
    position: fixed;
    top: 0;
}
.layui-nav-item{
    margin-left: 20px;
    font-size: 20px;
}
#butt{
    position: fixed;
    top: 25px;
    left: 1400px;
}
.timespan{
    margin-left: 0;
    color: red;
}
